Esempio n. 1
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// CreateBucket - PUT Bucket
func (fs *fsDriver) CreateBucket(bucket, acl string) error {
	fs.lock.Lock()
	defer fs.lock.Unlock()

	// verify bucket path legal
	if drivers.IsValidBucket(bucket) == false {
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}

	// get bucket path
	bucketDir := filepath.Join(fs.root, bucket)

	// check if bucket exists
	if _, err := os.Stat(bucketDir); err == nil {
		return iodine.New(drivers.BucketExists{
			Bucket: bucket,
		}, nil)
	}

	// make bucket
	err := os.Mkdir(bucketDir, 0700)
	if err != nil {
		return iodine.New(err, nil)
	}
	return nil
}
Esempio n. 2
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// CreateObject creates a new object
func (d donutDriver) CreateObject(bucketName, objectName, contentType, expectedMD5Sum string, size int64, reader io.Reader) (string, error) {
	errParams := map[string]string{
		"bucketName":  bucketName,
		"objectName":  objectName,
		"contentType": contentType,
	}
	if d.donut == nil {
		return "", iodine.New(drivers.InternalError{}, errParams)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidObjectName(objectName) || strings.TrimSpace(objectName) == "" {
		return "", iodine.New(drivers.ObjectNameInvalid{Object: objectName}, nil)
	}
	if strings.TrimSpace(contentType) == "" {
		contentType = "application/octet-stream"
	}
	metadata := make(map[string]string)
	metadata["contentType"] = strings.TrimSpace(contentType)
	metadata["contentLength"] = strconv.FormatInt(size, 10)

	if strings.TrimSpace(expectedMD5Sum) != "" {
		expectedMD5SumBytes, err := base64.StdEncoding.DecodeString(strings.TrimSpace(expectedMD5Sum))
		if err != nil {
			return "", iodine.New(err, nil)
		}
		expectedMD5Sum = hex.EncodeToString(expectedMD5SumBytes)
	}
	calculatedMD5Sum, err := d.donut.PutObject(bucketName, objectName, expectedMD5Sum, ioutil.NopCloser(reader), metadata)
	if err != nil {
		return "", iodine.New(err, errParams)
	}
	return calculatedMD5Sum, nil
}
Esempio n. 3
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// GetObjectMetadata retrieves an object's metadata
func (d donutDriver) GetObjectMetadata(bucketName, objectName string) (drivers.ObjectMetadata, error) {
	d.lock.RLock()
	defer d.lock.RUnlock()

	errParams := map[string]string{
		"bucketName": bucketName,
		"objectName": objectName,
	}
	if d.donut == nil {
		return drivers.ObjectMetadata{}, iodine.New(drivers.InternalError{}, errParams)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, errParams)
	}
	if !drivers.IsValidObjectName(objectName) || strings.TrimSpace(objectName) == "" {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, errParams)
	}
	metadata, err := d.donut.GetObjectMetadata(bucketName, objectName)
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{
			Bucket: bucketName,
			Object: objectName,
		}, errParams)
	}
	objectMetadata := drivers.ObjectMetadata{
		Bucket: bucketName,
		Key:    objectName,

		ContentType: metadata.Metadata["contentType"],
		Created:     metadata.Created,
		Md5:         metadata.MD5Sum,
		Size:        metadata.Size,
	}
	return objectMetadata, nil
}
Esempio n. 4
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// ListBuckets - Get service
func (fs *fsDriver) ListBuckets() ([]drivers.BucketMetadata, error) {
	files, err := ioutil.ReadDir(fs.root)
	if err != nil {
		return []drivers.BucketMetadata{}, iodine.New(err, nil)
	}

	var metadataList []drivers.BucketMetadata
	for _, file := range files {
		if !file.IsDir() {
			// if files found ignore them
			continue
		}
		if file.IsDir() {
			// if directories found with odd names, skip them too
			if !drivers.IsValidBucket(file.Name()) {
				continue
			}
		}

		metadata := drivers.BucketMetadata{
			Name:    file.Name(),
			Created: file.ModTime(),
		}
		metadataList = append(metadataList, metadata)
	}
	return metadataList, nil
}
Esempio n. 5
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// GetBucketMetadata retrieves an bucket's metadata
func (d donutDriver) GetBucketMetadata(bucketName string) (drivers.BucketMetadata, error) {
	if d.donut == nil {
		return drivers.BucketMetadata{}, iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return drivers.BucketMetadata{}, drivers.BucketNameInvalid{Bucket: bucketName}
	}
	metadata, err := d.donut.GetBucketMetadata(bucketName)
	if err != nil {
		return drivers.BucketMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucketName}, nil)
	}
	created, err := time.Parse(time.RFC3339Nano, metadata["created"])
	if err != nil {
		return drivers.BucketMetadata{}, iodine.New(err, nil)
	}
	acl, ok := metadata["acl"]
	if !ok {
		return drivers.BucketMetadata{}, iodine.New(drivers.BackendCorrupted{}, nil)
	}
	bucketMetadata := drivers.BucketMetadata{
		Name:    bucketName,
		Created: created,
		ACL:     drivers.BucketACL(acl),
	}
	return bucketMetadata, nil
}
Esempio n. 6
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// GetPartialObject - GET object from cache buffer range
func (cache *cacheDriver) GetPartialObject(w io.Writer, bucket, object string, start, length int64) (int64, error) {
	errParams := map[string]string{
		"bucket": bucket,
		"object": object,
		"start":  strconv.FormatInt(start, 10),
		"length": strconv.FormatInt(length, 10),
	}
	cache.lock.RLock()
	if !drivers.IsValidBucket(bucket) {
		cache.lock.RUnlock()
		return 0, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, errParams)
	}
	if !drivers.IsValidObjectName(object) {
		cache.lock.RUnlock()
		return 0, iodine.New(drivers.ObjectNameInvalid{Object: object}, errParams)
	}
	if start < 0 {
		return 0, iodine.New(drivers.InvalidRange{
			Start:  start,
			Length: length,
		}, errParams)
	}
	objectKey := bucket + "/" + object
	data, ok := cache.objects.Get(objectKey)
	if !ok {
		cache.lock.RUnlock()
		return 0, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: object}, errParams)
	}
	written, err := io.CopyN(w, bytes.NewBuffer(data[start:]), length)
	cache.lock.RUnlock()
	return written, iodine.New(err, nil)
}
Esempio n. 7
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// GetObjectMetadata - HEAD object
func (fs *fsDriver) GetObjectMetadata(bucket, object string) (drivers.ObjectMetadata, error) {
	if drivers.IsValidBucket(bucket) == false {
		return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}

	if drivers.IsValidObjectName(object) == false {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Bucket: bucket, Object: bucket}, nil)
	}

	// Do not use filepath.Join() since filepath.Join strips off any object names with '/', use them as is
	// in a static manner so that we can send a proper 'ObjectNotFound' reply back upon os.Stat()
	objectPath := fs.root + "/" + bucket + "/" + object
	stat, err := os.Stat(objectPath)
	if os.IsNotExist(err) {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: object}, nil)
	}

	_, err = os.Stat(objectPath + "$metadata")
	if os.IsNotExist(err) {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: object}, nil)
	}

	file, err := os.Open(objectPath + "$metadata")
	defer file.Close()
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(err, nil)
	}

	var deserializedMetadata Metadata
	decoder := json.NewDecoder(file)
	err = decoder.Decode(&deserializedMetadata)
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(err, nil)
	}

	contentType := "application/octet-stream"
	if deserializedMetadata.ContentType != "" {
		contentType = deserializedMetadata.ContentType
	}
	contentType = strings.TrimSpace(contentType)

	etag := bucket + "#" + filepath.Base(object)
	if len(deserializedMetadata.Md5sum) != 0 {
		etag = hex.EncodeToString(deserializedMetadata.Md5sum)
	}

	metadata := drivers.ObjectMetadata{
		Bucket:      bucket,
		Key:         object,
		Created:     stat.ModTime(),
		Size:        stat.Size(),
		Md5:         etag,
		ContentType: contentType,
	}

	return metadata, nil
}
Esempio n. 8
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// ListObjects - GET bucket (list objects)
func (fs *fsDriver) ListObjects(bucket string, resources drivers.BucketResourcesMetadata) ([]drivers.ObjectMetadata, drivers.BucketResourcesMetadata, error) {
	p := bucketDir{}
	p.files = make(map[string]os.FileInfo)

	if drivers.IsValidBucket(bucket) == false {
		return []drivers.ObjectMetadata{}, resources, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if resources.Prefix != "" && drivers.IsValidObjectName(resources.Prefix) == false {
		return []drivers.ObjectMetadata{}, resources, iodine.New(drivers.ObjectNameInvalid{Bucket: bucket, Object: resources.Prefix}, nil)
	}

	rootPrefix := filepath.Join(fs.root, bucket)
	// check bucket exists
	if _, err := os.Stat(rootPrefix); os.IsNotExist(err) {
		return []drivers.ObjectMetadata{}, resources, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}

	p.root = rootPrefix
	err := filepath.Walk(rootPrefix, p.getAllFiles)
	if err != nil {
		return []drivers.ObjectMetadata{}, resources, iodine.New(err, nil)
	}

	var metadataList []drivers.ObjectMetadata
	var metadata drivers.ObjectMetadata

	// Populate filtering mode
	resources.Mode = drivers.GetMode(resources)

	var fileNames []string
	for name := range p.files {
		fileNames = append(fileNames, name)
	}
	sort.Strings(fileNames)
	for _, name := range fileNames {
		if len(metadataList) >= resources.Maxkeys {
			resources.IsTruncated = true
			if resources.IsTruncated && resources.IsDelimiterSet() {
				resources.NextMarker = metadataList[len(metadataList)-1].Key
			}
			break
		}
		if name > resources.Marker {
			metadata, resources, err = fs.filterObjects(bucket, name, p.files[name], resources)
			if err != nil {
				return []drivers.ObjectMetadata{}, resources, iodine.New(err, nil)
			}
			if metadata.Bucket != "" {
				metadataList = append(metadataList, metadata)
			}
		}
	}
	sort.Sort(byObjectKey(metadataList))
	return metadataList, resources, nil
}
Esempio n. 9
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func (fs *fsDriver) AbortMultipartUpload(bucket, key, uploadID string) error {
	fs.lock.Lock()
	defer fs.lock.Unlock()

	// check bucket name valid
	if drivers.IsValidBucket(bucket) == false {
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}

	// verify object path legal
	if drivers.IsValidObjectName(key) == false {
		return iodine.New(drivers.ObjectNameInvalid{Bucket: bucket, Object: key}, nil)
	}

	if !fs.isValidUploadID(key, uploadID) {
		return iodine.New(drivers.InvalidUploadID{UploadID: uploadID}, nil)
	}

	bucketPath := filepath.Join(fs.root, bucket)
	_, err := os.Stat(bucketPath)
	// check bucket exists
	if os.IsNotExist(err) {
		return iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	if err != nil {
		return iodine.New(drivers.InternalError{}, nil)
	}

	objectPath := filepath.Join(bucketPath, key)
	multiPartfile, err := os.OpenFile(objectPath+"$multiparts", os.O_RDWR, 0600)
	if err != nil {
		return iodine.New(err, nil)
	}

	var deserializedMultipartSession MultipartSession
	decoder := json.NewDecoder(multiPartfile)
	err = decoder.Decode(&deserializedMultipartSession)
	if err != nil {
		return iodine.New(err, nil)
	}
	multiPartfile.Close() // close it right here, since we will delete it subsequently

	delete(fs.multiparts.ActiveSession, key)
	for _, part := range deserializedMultipartSession.Parts {
		err = os.RemoveAll(objectPath + fmt.Sprintf("$%d", part.PartNumber))
		if err != nil {
			return iodine.New(err, nil)
		}
	}
	err = os.RemoveAll(objectPath + "$multiparts")
	if err != nil {
		return iodine.New(err, nil)
	}
	return nil
}
Esempio n. 10
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// GetBucketMetadata -
func (cache *cacheDriver) GetBucketMetadata(bucket string) (drivers.BucketMetadata, error) {
	cache.lock.RLock()
	defer cache.lock.RUnlock()
	if !drivers.IsValidBucket(bucket) {
		return drivers.BucketMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if _, ok := cache.storedBuckets[bucket]; ok == false {
		return drivers.BucketMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	return cache.storedBuckets[bucket].bucketMetadata, nil
}
Esempio n. 11
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// GetObject retrieves an object and writes it to a writer
func (d donutDriver) GetObject(w io.Writer, bucketName, objectName string) (int64, error) {
	if d.donut == nil {
		return 0, iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucket(bucketName) {
		return 0, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidObjectName(objectName) {
		return 0, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, nil)
	}
	if _, ok := d.storedBuckets[bucketName]; ok == false {
		return 0, iodine.New(drivers.BucketNotFound{Bucket: bucketName}, nil)
	}
	d.lock.RLock()
	defer d.lock.RUnlock()
	objectKey := bucketName + "/" + objectName
	data, ok := d.objects.Get(objectKey)
	if !ok {
		reader, size, err := d.donut.GetObject(bucketName, objectName)
		if err != nil {
			switch iodine.ToError(err).(type) {
			case donut.BucketNotFound:
				return 0, iodine.New(drivers.BucketNotFound{Bucket: bucketName}, nil)
			case donut.ObjectNotFound:
				return 0, iodine.New(drivers.ObjectNotFound{
					Bucket: bucketName,
					Object: objectName,
				}, nil)
			default:
				return 0, iodine.New(drivers.InternalError{}, nil)
			}
		}
		pw := newProxyWriter(w)
		n, err := io.CopyN(pw, reader, size)
		if err != nil {
			return 0, iodine.New(err, nil)
		}
		// Save in memory for future reads
		d.objects.Set(objectKey, pw.writtenBytes)
		// free up
		pw.writtenBytes = nil
		go debug.FreeOSMemory()
		return n, nil
	}
	written, err := io.Copy(w, bytes.NewBuffer(data))
	if err != nil {
		return 0, iodine.New(err, nil)
	}
	return written, nil
}
Esempio n. 12
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// GetPartialObject retrieves an object range and writes it to a writer
func (d donutDriver) GetPartialObject(w io.Writer, bucketName, objectName string, start, length int64) (int64, error) {
	d.lock.RLock()
	defer d.lock.RUnlock()
	if d.donut == nil {
		return 0, iodine.New(drivers.InternalError{}, nil)
	}
	errParams := map[string]string{
		"bucketName": bucketName,
		"objectName": objectName,
		"start":      strconv.FormatInt(start, 10),
		"length":     strconv.FormatInt(length, 10),
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return 0, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, errParams)
	}
	if !drivers.IsValidObjectName(objectName) || strings.TrimSpace(objectName) == "" {
		return 0, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, errParams)
	}
	if start < 0 {
		return 0, iodine.New(drivers.InvalidRange{
			Start:  start,
			Length: length,
		}, errParams)
	}
	reader, size, err := d.donut.GetObject(bucketName, objectName)
	if err != nil {
		return 0, iodine.New(drivers.ObjectNotFound{
			Bucket: bucketName,
			Object: objectName,
		}, nil)
	}
	defer reader.Close()
	if start > size || (start+length-1) > size {
		return 0, iodine.New(drivers.InvalidRange{
			Start:  start,
			Length: length,
		}, errParams)
	}
	_, err = io.CopyN(ioutil.Discard, reader, start)
	if err != nil {
		return 0, iodine.New(err, errParams)
	}
	n, err := io.CopyN(w, reader, length)
	if err != nil {
		return 0, iodine.New(err, errParams)
	}
	return n, nil
}
Esempio n. 13
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// ListObjects - returns list of objects
func (d donutDriver) ListObjects(bucketName string, resources drivers.BucketResourcesMetadata) ([]drivers.ObjectMetadata, drivers.BucketResourcesMetadata, error) {
	errParams := map[string]string{
		"bucketName": bucketName,
	}
	if d.donut == nil {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.InternalError{}, errParams)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidObjectName(resources.Prefix) {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: resources.Prefix}, nil)
	}
	actualObjects, commonPrefixes, isTruncated, err := d.donut.ListObjects(bucketName, resources.Prefix, resources.Marker, resources.Delimiter,
		resources.Maxkeys)
	if err != nil {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(err, errParams)
	}
	resources.CommonPrefixes = commonPrefixes
	resources.IsTruncated = isTruncated
	if resources.IsTruncated && resources.IsDelimiterSet() {
		resources.NextMarker = actualObjects[len(actualObjects)-1]
	}
	var results []drivers.ObjectMetadata
	for _, objectName := range actualObjects {
		objectMetadata, err := d.donut.GetObjectMetadata(bucketName, objectName)
		if err != nil {
			return nil, drivers.BucketResourcesMetadata{}, iodine.New(err, errParams)
		}
		t, err := time.Parse(time.RFC3339Nano, objectMetadata["created"])
		if err != nil {
			return nil, drivers.BucketResourcesMetadata{}, iodine.New(err, nil)
		}
		size, err := strconv.ParseInt(objectMetadata["size"], 10, 64)
		if err != nil {
			return nil, drivers.BucketResourcesMetadata{}, iodine.New(err, nil)
		}
		metadata := drivers.ObjectMetadata{
			Key:     objectName,
			Created: t,
			Size:    size,
		}
		results = append(results, metadata)
	}
	sort.Sort(byObjectKey(results))
	return results, resources, nil
}
Esempio n. 14
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// ListObjects - list objects from cache
func (cache *cacheDriver) ListObjects(bucket string, resources drivers.BucketResourcesMetadata) ([]drivers.ObjectMetadata, drivers.BucketResourcesMetadata, error) {
	cache.lock.RLock()
	defer cache.lock.RUnlock()
	if !drivers.IsValidBucket(bucket) {
		return nil, drivers.BucketResourcesMetadata{IsTruncated: false}, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if !drivers.IsValidObjectName(resources.Prefix) {
		return nil, drivers.BucketResourcesMetadata{IsTruncated: false}, iodine.New(drivers.ObjectNameInvalid{Object: resources.Prefix}, nil)
	}
	if _, ok := cache.storedBuckets[bucket]; ok == false {
		return nil, drivers.BucketResourcesMetadata{IsTruncated: false}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	var results []drivers.ObjectMetadata
	var keys []string
	storedBucket := cache.storedBuckets[bucket]
	for key := range storedBucket.objectMetadata {
		if strings.HasPrefix(key, bucket+"/") {
			key = key[len(bucket)+1:]
			keys, resources = cache.listObjects(keys, key, resources)
		}
	}
	var newKeys []string
	switch {
	case resources.Marker != "":
		for _, key := range keys {
			if key > resources.Marker {
				newKeys = appendUniq(newKeys, key)
			}
		}
	default:
		newKeys = keys
	}
	sort.Strings(newKeys)
	for _, key := range newKeys {
		if len(results) == resources.Maxkeys {
			resources.IsTruncated = true
			if resources.IsTruncated && resources.IsDelimiterSet() {
				resources.NextMarker = results[len(results)-1].Key
			}
			return results, resources, nil
		}
		object := storedBucket.objectMetadata[bucket+"/"+key]
		results = append(results, object)
	}
	return results, resources, nil
}
Esempio n. 15
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// GetPartialObject - GET object from range
func (fs *fsDriver) GetPartialObject(w io.Writer, bucket, object string, start, length int64) (int64, error) {
	// validate bucket
	if drivers.IsValidBucket(bucket) == false {
		return 0, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}

	// validate object
	if drivers.IsValidObjectName(object) == false {
		return 0, iodine.New(drivers.ObjectNameInvalid{Bucket: bucket, Object: object}, nil)
	}

	objectPath := filepath.Join(fs.root, bucket, object)
	filestat, err := os.Stat(objectPath)
	switch err := err.(type) {
	case nil:
		{
			if filestat.IsDir() {
				return 0, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: object}, nil)
			}
		}
	default:
		{
			if os.IsNotExist(err) {
				return 0, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: object}, nil)
			}
			return 0, iodine.New(err, nil)
		}
	}
	file, err := os.Open(objectPath)
	if err != nil {
		return 0, iodine.New(err, nil)
	}
	defer file.Close()

	_, err = file.Seek(start, os.SEEK_SET)
	if err != nil {
		return 0, iodine.New(err, nil)
	}

	count, err := io.CopyN(w, file, length)
	if err != nil {
		return count, iodine.New(err, nil)
	}

	return count, nil
}
Esempio n. 16
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// SetBucketMetadata -
func (fs *fsDriver) SetBucketMetadata(bucket, acl string) error {
	fs.lock.Lock()
	defer fs.lock.Unlock()
	if !drivers.IsValidBucket(bucket) {
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if !drivers.IsValidBucketACL(acl) {
		return iodine.New(drivers.InvalidACL{ACL: acl}, nil)
	}
	// get bucket path
	bucketDir := filepath.Join(fs.root, bucket)
	err := os.Chmod(bucketDir, aclToPerm(acl))
	if err != nil {
		return iodine.New(err, nil)
	}
	return nil
}
Esempio n. 17
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// SetBucketMetadata sets bucket's metadata
func (d donutDriver) SetBucketMetadata(bucketName, acl string) error {
	if d.donut == nil {
		return iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if strings.TrimSpace(acl) == "" {
		acl = "private"
	}
	bucketMetadata := make(map[string]string)
	bucketMetadata["acl"] = acl
	err := d.donut.SetBucketMetadata(bucketName, bucketMetadata)
	if err != nil {
		return iodine.New(drivers.BucketNotFound{Bucket: bucketName}, nil)
	}
	return nil
}
Esempio n. 18
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// GetObjectMetadata retrieves an object's metadata
func (d donutDriver) GetObjectMetadata(bucketName, objectName string) (drivers.ObjectMetadata, error) {
	d.lock.RLock()
	defer d.lock.RUnlock()

	errParams := map[string]string{
		"bucketName": bucketName,
		"objectName": objectName,
	}
	if d.donut == nil {
		return drivers.ObjectMetadata{}, iodine.New(drivers.InternalError{}, errParams)
	}
	if !drivers.IsValidBucket(bucketName) {
		return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, errParams)
	}
	if !drivers.IsValidObjectName(objectName) {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, errParams)
	}
	if _, ok := d.storedBuckets[bucketName]; ok {
		storedBucket := d.storedBuckets[bucketName]
		objectKey := bucketName + "/" + objectName
		if object, ok := storedBucket.objectMetadata[objectKey]; ok {
			return object, nil
		}
	}
	metadata, err := d.donut.GetObjectMetadata(bucketName, objectName)
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{
			Bucket: bucketName,
			Object: objectName,
		}, errParams)
	}
	objectMetadata := drivers.ObjectMetadata{
		Bucket: bucketName,
		Key:    objectName,

		ContentType: metadata.Metadata["contentType"],
		Created:     metadata.Created,
		Md5:         metadata.MD5Sum,
		Size:        metadata.Size,
	}
	return objectMetadata, nil
}
Esempio n. 19
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// GetObject retrieves an object and writes it to a writer
func (d donutDriver) GetObject(target io.Writer, bucketName, objectName string) (int64, error) {
	if d.donut == nil {
		return 0, iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return 0, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidObjectName(objectName) || strings.TrimSpace(objectName) == "" {
		return 0, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, nil)
	}
	reader, size, err := d.donut.GetObject(bucketName, objectName)
	if err != nil {
		return 0, iodine.New(drivers.ObjectNotFound{
			Bucket: bucketName,
			Object: objectName,
		}, nil)
	}
	n, err := io.CopyN(target, reader, size)
	return n, iodine.New(err, nil)
}
Esempio n. 20
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// GetObjectMetadata - get object metadata from cache
func (cache *cacheDriver) GetObjectMetadata(bucket, key string) (drivers.ObjectMetadata, error) {
	cache.lock.RLock()
	defer cache.lock.RUnlock()
	// check if bucket exists
	if !drivers.IsValidBucket(bucket) {
		return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if !drivers.IsValidObjectName(key) {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
	}
	if _, ok := cache.storedBuckets[bucket]; ok == false {
		return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	storedBucket := cache.storedBuckets[bucket]
	objectKey := bucket + "/" + key
	if object, ok := storedBucket.objectMetadata[objectKey]; ok == true {
		return object, nil
	}
	return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{Bucket: bucket, Object: key}, nil)
}
Esempio n. 21
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// GetBucketMetadata retrieves an bucket's metadata
func (d donutDriver) GetBucketMetadata(bucketName string) (drivers.BucketMetadata, error) {
	d.lock.RLock()
	defer d.lock.RUnlock()
	if d.donut == nil {
		return drivers.BucketMetadata{}, iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return drivers.BucketMetadata{}, drivers.BucketNameInvalid{Bucket: bucketName}
	}
	metadata, err := d.donut.GetBucketMetadata(bucketName)
	if err != nil {
		return drivers.BucketMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucketName}, nil)
	}
	bucketMetadata := drivers.BucketMetadata{
		Name:    bucketName,
		Created: metadata.Created,
		ACL:     drivers.BucketACL(metadata.ACL),
	}
	return bucketMetadata, nil
}
Esempio n. 22
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// CreateBucket creates a new bucket
func (d donutDriver) CreateBucket(bucketName, acl string) error {
	d.lock.Lock()
	defer d.lock.Unlock()
	if len(d.storedBuckets) == totalBuckets {
		return iodine.New(drivers.TooManyBuckets{Bucket: bucketName}, nil)
	}
	if d.donut == nil {
		return iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucketACL(acl) {
		return iodine.New(drivers.InvalidACL{ACL: acl}, nil)
	}
	if drivers.IsValidBucket(bucketName) {
		if strings.TrimSpace(acl) == "" {
			acl = "private"
		}
		if err := d.donut.MakeBucket(bucketName, acl); err != nil {
			switch iodine.ToError(err).(type) {
			case donut.BucketExists:
				return iodine.New(drivers.BucketExists{Bucket: bucketName}, nil)
			}
			return iodine.New(err, nil)
		}
		var newBucket = storedBucket{}
		newBucket.objectMetadata = make(map[string]drivers.ObjectMetadata)
		newBucket.multiPartSession = make(map[string]multiPartSession)
		newBucket.partMetadata = make(map[string]drivers.PartMetadata)
		metadata, err := d.donut.GetBucketMetadata(bucketName)
		if err != nil {
			return iodine.New(err, nil)
		}
		newBucket.bucketMetadata = drivers.BucketMetadata{
			Name:    metadata.Name,
			Created: metadata.Created,
			ACL:     drivers.BucketACL(metadata.ACL),
		}
		d.storedBuckets[bucketName] = newBucket
		return nil
	}
	return iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
}
Esempio n. 23
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// SetBucketMetadata -
func (cache *cacheDriver) SetBucketMetadata(bucket, acl string) error {
	cache.lock.RLock()
	if !drivers.IsValidBucket(bucket) {
		cache.lock.RUnlock()
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if _, ok := cache.storedBuckets[bucket]; ok == false {
		cache.lock.RUnlock()
		return iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	if strings.TrimSpace(acl) == "" {
		acl = "private"
	}
	cache.lock.RUnlock()
	cache.lock.Lock()
	defer cache.lock.Unlock()
	storedBucket := cache.storedBuckets[bucket]
	storedBucket.bucketMetadata.ACL = drivers.BucketACL(acl)
	cache.storedBuckets[bucket] = storedBucket
	return nil
}
Esempio n. 24
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// GetObjectMetadata retrieves an object's metadata
func (d donutDriver) GetObjectMetadata(bucketName, objectName string) (drivers.ObjectMetadata, error) {
	errParams := map[string]string{
		"bucketName": bucketName,
		"objectName": objectName,
	}
	if d.donut == nil {
		return drivers.ObjectMetadata{}, iodine.New(drivers.InternalError{}, errParams)
	}
	if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
		return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, errParams)
	}
	if !drivers.IsValidObjectName(objectName) || strings.TrimSpace(objectName) == "" {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, errParams)
	}
	metadata, err := d.donut.GetObjectMetadata(bucketName, objectName)
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{
			Bucket: bucketName,
			Object: objectName,
		}, errParams)
	}
	created, err := time.Parse(time.RFC3339Nano, metadata["created"])
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(err, errParams)
	}
	size, err := strconv.ParseInt(metadata["size"], 10, 64)
	if err != nil {
		return drivers.ObjectMetadata{}, iodine.New(err, errParams)
	}
	objectMetadata := drivers.ObjectMetadata{
		Bucket: bucketName,
		Key:    objectName,

		ContentType: metadata["contentType"],
		Created:     created,
		Md5:         metadata["md5"],
		Size:        size,
	}
	return objectMetadata, nil
}
Esempio n. 25
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// CreateBucket creates a new bucket
func (d donutDriver) CreateBucket(bucketName, acl string) error {
	if d.donut == nil {
		return iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucketACL(acl) {
		return iodine.New(drivers.InvalidACL{ACL: acl}, nil)
	}
	if drivers.IsValidBucket(bucketName) && !strings.Contains(bucketName, ".") {
		if strings.TrimSpace(acl) == "" {
			acl = "private"
		}
		if err := d.donut.MakeBucket(bucketName, acl); err != nil {
			err = iodine.ToError(err)
			if err.Error() == "bucket exists" {
				return iodine.New(drivers.BucketExists{Bucket: bucketName}, nil)
			}
			return err
		}
		return nil
	}
	return iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
}
Esempio n. 26
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// SetBucketMetadata sets bucket's metadata
func (d donutDriver) SetBucketMetadata(bucketName, acl string) error {
	d.lock.Lock()
	defer d.lock.Unlock()
	if d.donut == nil {
		return iodine.New(drivers.InternalError{}, nil)
	}
	if !drivers.IsValidBucket(bucketName) {
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if strings.TrimSpace(acl) == "" {
		acl = "private"
	}
	bucketMetadata := make(map[string]string)
	bucketMetadata["acl"] = acl
	err := d.donut.SetBucketMetadata(bucketName, bucketMetadata)
	if err != nil {
		return iodine.New(drivers.BucketNotFound{Bucket: bucketName}, nil)
	}
	storedBucket := d.storedBuckets[bucketName]
	storedBucket.bucketMetadata.ACL = drivers.BucketACL(acl)
	d.storedBuckets[bucketName] = storedBucket
	return nil
}
Esempio n. 27
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// CreateBucket - create bucket in cache
func (cache *cacheDriver) CreateBucket(bucketName, acl string) error {
	cache.lock.RLock()
	if len(cache.storedBuckets) == totalBuckets {
		cache.lock.RUnlock()
		return iodine.New(drivers.TooManyBuckets{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidBucket(bucketName) {
		cache.lock.RUnlock()
		return iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidBucketACL(acl) {
		cache.lock.RUnlock()
		return iodine.New(drivers.InvalidACL{ACL: acl}, nil)
	}
	if _, ok := cache.storedBuckets[bucketName]; ok == true {
		cache.lock.RUnlock()
		return iodine.New(drivers.BucketExists{Bucket: bucketName}, nil)
	}
	cache.lock.RUnlock()

	if strings.TrimSpace(acl) == "" {
		// default is private
		acl = "private"
	}
	var newBucket = storedBucket{}
	newBucket.objectMetadata = make(map[string]drivers.ObjectMetadata)
	newBucket.multiPartSession = make(map[string]multiPartSession)
	newBucket.partMetadata = make(map[string]drivers.PartMetadata)
	newBucket.bucketMetadata = drivers.BucketMetadata{}
	newBucket.bucketMetadata.Name = bucketName
	newBucket.bucketMetadata.Created = time.Now().UTC()
	newBucket.bucketMetadata.ACL = drivers.BucketACL(acl)
	cache.lock.Lock()
	cache.storedBuckets[bucketName] = newBucket
	cache.lock.Unlock()
	return nil
}
Esempio n. 28
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func (memory *memoryDriver) NewMultipartUpload(bucket, key, contentType string) (string, error) {
	memory.lock.RLock()
	if !drivers.IsValidBucket(bucket) {
		memory.lock.RUnlock()
		return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	if !drivers.IsValidObjectName(key) {
		memory.lock.RUnlock()
		return "", iodine.New(drivers.ObjectNameInvalid{Object: key}, nil)
	}
	if _, ok := memory.storedBuckets[bucket]; ok == false {
		memory.lock.RUnlock()
		return "", iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	storedBucket := memory.storedBuckets[bucket]
	objectKey := bucket + "/" + key
	if _, ok := storedBucket.objectMetadata[objectKey]; ok == true {
		memory.lock.RUnlock()
		return "", iodine.New(drivers.ObjectExists{Bucket: bucket, Object: key}, nil)
	}
	memory.lock.RUnlock()

	memory.lock.Lock()
	id := []byte(strconv.FormatInt(rand.Int63(), 10) + bucket + key + time.Now().String())
	uploadIDSum := sha512.Sum512(id)
	uploadID := base64.URLEncoding.EncodeToString(uploadIDSum[:])[:47]

	memory.storedBuckets[bucket].multiPartSession[key] = multiPartSession{
		uploadID:   uploadID,
		initiated:  time.Now(),
		totalParts: 0,
	}
	memory.lock.Unlock()

	return uploadID, nil
}
Esempio n. 29
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// GetBucketMetadata -
func (fs *fsDriver) GetBucketMetadata(bucket string) (drivers.BucketMetadata, error) {
	fs.lock.Lock()
	defer fs.lock.Unlock()
	if !drivers.IsValidBucket(bucket) {
		return drivers.BucketMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
	}
	// get bucket path
	bucketDir := filepath.Join(fs.root, bucket)
	bucketMetadata := drivers.BucketMetadata{}
	fi, err := os.Stat(bucketDir)
	// check if bucket exists
	if os.IsNotExist(err) {
		return drivers.BucketMetadata{}, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
	}
	if err != nil {
		return drivers.BucketMetadata{}, iodine.New(err, nil)
	}

	bucketMetadata.Name = fi.Name()
	bucketMetadata.Created = fi.ModTime()
	// TODO convert os.FileMode to meaningful ACL's
	bucketMetadata.ACL = drivers.BucketACL("private")
	return bucketMetadata, nil
}
Esempio n. 30
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// ListObjects - returns list of objects
func (d donutDriver) ListObjects(bucketName string, resources drivers.BucketResourcesMetadata) ([]drivers.ObjectMetadata, drivers.BucketResourcesMetadata, error) {
	d.lock.RLock()
	defer d.lock.RUnlock()
	errParams := map[string]string{
		"bucketName": bucketName,
	}
	if d.donut == nil {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.InternalError{}, errParams)
	}
	if !drivers.IsValidBucket(bucketName) {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
	}
	if !drivers.IsValidObjectName(resources.Prefix) {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: resources.Prefix}, nil)
	}
	listObjects, err := d.donut.ListObjects(bucketName, resources.Prefix, resources.Marker, resources.Delimiter, resources.Maxkeys)
	if err != nil {
		return nil, drivers.BucketResourcesMetadata{}, iodine.New(err, errParams)
	}
	resources.CommonPrefixes = listObjects.CommonPrefixes
	resources.IsTruncated = listObjects.IsTruncated
	var results []drivers.ObjectMetadata
	for _, objMetadata := range listObjects.Objects {
		metadata := drivers.ObjectMetadata{
			Key:     objMetadata.Object,
			Created: objMetadata.Created,
			Size:    objMetadata.Size,
		}
		results = append(results, metadata)
	}
	sort.Sort(byObjectName(results))
	if resources.IsTruncated && resources.IsDelimiterSet() {
		resources.NextMarker = results[len(results)-1].Key
	}
	return results, resources, nil
}